diff --git a/src/wp-includes/class-wp-admin-bar.php b/src/wp-includes/class-wp-admin-bar.php
index 49986ac225..b0a5e5d733 100644
--- a/src/wp-includes/class-wp-admin-bar.php
+++ b/src/wp-includes/class-wp-admin-bar.php
@@ -474,20 +474,27 @@ class WP_Admin_Bar {
 		if ( $node->type != 'item' )
 			return;
 
-		$is_parent = ! empty( $node->children );
-		$has_link  = ! empty( $node->href );
+		$is_parent             = ! empty( $node->children );
+		$has_link              = ! empty( $node->href );
+		$is_root_top_item      = 'root-default' === $node->parent;
+		$is_top_secondary_item = 'top-secondary' === $node->parent;
 
 		// Allow only numeric values, then casted to integers, and allow a tabindex value of `0` for a11y.
 		$tabindex = ( isset( $node->meta['tabindex'] ) && is_numeric( $node->meta['tabindex'] ) ) ? (int) $node->meta['tabindex'] : '';
 		$aria_attributes = ( '' !== $tabindex ) ? ' tabindex="' . $tabindex . '"' : '';
 
-		$menuclass = '';
+		$menuclass = $arrow_right = '';
 
 		if ( $is_parent ) {
 			$menuclass = 'menupop ';
 			$aria_attributes .= ' aria-haspopup="true"';
 		}
 
+		// Print the right arrow icon for the primary menu children with children.
+		if ( ! $is_root_top_item && ! $is_top_secondary_item && $is_parent ) {
+			$arrow_right = '<span class="wp-admin-bar-arrow-right" aria-hidden="true"></span>';
+		}
+
 		if ( ! empty( $node->meta['class'] ) )
 			$menuclass .= $node->meta['class'];
 
@@ -532,7 +539,7 @@ class WP_Admin_Bar {
 				?>><?php
 			endif;
 
-			echo $node->title;
+			echo $arrow_right . $node->title;
 
 			if ( $has_link ) :
 				?></a><?php
diff --git a/src/wp-includes/css/admin-bar.css b/src/wp-includes/css/admin-bar.css
index e108a8e6bc..9a74437a2f 100644
--- a/src/wp-includes/css/admin-bar.css
+++ b/src/wp-includes/css/admin-bar.css
@@ -234,7 +234,8 @@ html:lang(he-il) .rtl #wpadminbar *  {
 
 #wpadminbar > #wp-toolbar > #wp-admin-bar-root-default .ab-icon,
 #wpadminbar .ab-icon,
-#wpadminbar .ab-item:before {
+#wpadminbar .ab-item:before,
+.wp-admin-bar-arrow-right {
 	position: relative;
 	float: left;
 	font: normal 20px/1 dashicons;
@@ -312,7 +313,7 @@ html:lang(he-il) .rtl #wpadminbar *  {
 	color: #00b9eb;
 }
 
-#wpadminbar .menupop .menupop > .ab-item:before,
+#wpadminbar .menupop .menupop > .ab-item .wp-admin-bar-arrow-right:before,
 #wpadminbar .ab-top-secondary .menupop .menupop > .ab-item:before {
 	position: absolute;
 	font: normal 17px/1 dashicons;
@@ -326,9 +327,10 @@ html:lang(he-il) .rtl #wpadminbar *  {
 	padding-right: 2em;
 }
 
-#wpadminbar .menupop .menupop > .ab-item:before {
+#wpadminbar .menupop .menupop > .ab-item .wp-admin-bar-arrow-right:before {
 	top: 1px;
-	right: 4px;
+	right: 10px;
+	padding: 4px 0;
 	content: "\f139";
 	color: inherit;
 }